An international team of astronomers has used more than 500 images from the NASA/European Space Agency (ESA) Hubble Space Telescope spanning two decades to detect seven fast-moving stars in the ...

A recent collaboration between NASA’s Hubble Space Telescope and Chandra X-ray Observatory has resulted in the discovery of a rare intermediate-mass black hole (IMBH) located in the distant NGC 6099 ...

The star cluster Omega Centauri contains millions of stars. The movement of some stars suggests that an intermediate-sized black hole lies at its center. (NASA/ESA/STScI/AURA) Astronomers have used ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

The likely position of Omega Centauri star cluster’s intermediate black hole. From left to right, each panel zooms in closer to the system. Omega Centauri is a spectacular collection of 10 million ...

An international team of astronomers used more than 500 images from NASA's Hubble Space Telescope – spanning two decades of observations – to detect seven fast-moving stars in the innermost region of ...

Astronomers have spotted a rare "'missing link"' black hole, and it's lurking right in the center of our galaxy. The IRS 13 star cluster has long been a puzzle for astronomers. Located just a tenth of ...

Astronomers have used the Hubble Space Telescope to find evidence of an elusive kind of black hole, one that's about 8,000 times more massive than our sun. What makes this black hole special is its ...